746784 has 36 divisors (see below), whose sum is σ = 2124486. Its totient is φ = 248832.

The previous prime is 746777. The next prime is 746791. The reversal of 746784 is 487647.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (746777) and next prime (746791).

It can be written as a sum of positive squares in only one way, i.e., 608400 + 138384 = 780^2 + 372^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 16.

It is an unprimeable number.

746784 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1009 + ... + 1584.

2⁷⁴⁶⁷⁸⁴ is an apocalyptic number.

It is an amenable number.

746784 is an abundant number, since it is smaller than the sum of its proper divisors (1377702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

746784 is a wasteful number, since it uses less digits than its factorization.

746784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2609 (or 2598 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 746784 is about 864.1666505947. The cubic root of 746784 is about 90.7259800282.

The spelling of 746784 in words is "seven hundred forty-six thousand, seven hundred eighty-four".